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Ash Berlin-Taylor commented on AIRFLOW-1479: -------------------------------------------- Oh. {{DEVNULL}} is only a Py3 thing. The portable equivalent is: {noformat} FNULL = open(os.devnull, 'r') retcode = subprocess.call(['echo', 'foo'], stdin=FNULL, ....) {noformat} > BashOperator does not open pipe for STDIN > ----------------------------------------- > > Key: AIRFLOW-1479 > URL: https://issues.apache.org/jira/browse/AIRFLOW-1479 > Project: Apache Airflow > Issue Type: Bug > Components: operators > Affects Versions: 1.8.1 > Environment: FreeBSD, JRuby 9.x, Rake, Python 2.7, Airflow 1.8 > Reporter: Cedrik Neumann > Priority: Trivial > Labels: easyfix > > From JRuby 9 onwards we experienced issues when executing Rake tasks via the > BashOperator with the error message: > {noformat} > Errno::EBADF: Bad file descriptor - 0 > {noformat} > We figured out that the issue is due to a missing pipe for STDIN when the > BashOperator calls `Popen`. > The quick fix of the issue would be to add a pipe for STDIN as well: > {code:python} > sp = Popen( > ['bash', fname], > stdout=PIPE, stderr=STDOUT, stdin=PIPE, > cwd=tmp_dir, env=self.env) > {code} -- This message was sent by Atlassian JIRA (v6.4.14#64029)